// increasing
$this->assertEquals(
[ $this->pageId2, $this->pageId3, $this->pageId4 ],
- [ $this->pageId1 + 1, $this->pageId2 + 1, $this->pageId3 + 1 ],
+ [ $this->pageId1 + 1, $this->pageId1 + 2, $this->pageId1 + 3 ],
"Page ids increasing without holes" );
}